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The Effect of the Type of Mounting on Stability of a Hydraulic Telescopic Cylinder

Uzny S., Kutrowski Ł.

Machine Dynamics Research

2018

Vol. 42, No. 2

53--60

This paper revolves around the boundary value problem regarding the stability of a telescopic hydraulic cylinder. The effect of its mounting type on the maximum load able to move without being damaged by buckling was examined. The formulation of the boundary problem was carried out on the basis of the static stability. The results were presented in a dimensionless form. The inﬂuence of the type of mounting of the telescopic hydraulic cylinder on the bearing capacity of the system was determined, taking into account changes in cylinder and seals thickness parameters and stiffness of connections between following elements. The results are presented for a three-stage and a ﬁve-stage hydraulic telescopic cylinder.

The operating field of a hydrostatic drive system parameters of the energy efficiency investigations of pumps and hydraulic motors

Paszota Z.

Polish Maritime Research

2009

nr 4

16-21

The operating field of hydrostatic drive system is presented. Subdivision of the hydraulic motor and pump work parameters into parameters independent of and dependent on the operation of displacement machines and the system is justified. A research project is proposed aimed at development of methods determining the energy characteristics of pumps and rotational hydraulic motors as well as modified methods of determining the energy characteristics of hydrostatic drive systems with selected structures of hydraulic motor speed control. The paper is an extended version of reference [11].

Badania wolnobieżnych silników hydraulicznych tłoczkowo-promieniowych

Cink J., Gozdalik M., Kosucki A.

Hydraulika i Pneumatyka

2008

nr 2

30-34

Omówiono sposób modernizacji silników hydraulicznych napędu jazdy transportera gąsienicowego. Przedstawiono stanowisko laboratoryjne i wyniki badań zaadaptowanych silników MSE11-1. Badania potwierdziły poprawną pracę i zalety nowej konstrukcji silnika.

The method of modernization of hydraulic motors in travelling mechanism of caterpillar transporter is presented. Experimental stand and tests of adapted motors are shown. The tests confirmed proper work and advantages of new motor construction.